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I have all of my emails in IMAP folders. When I travel I don't always have internet access. It would be helpful to have access to work-related emails at those times. Two questions:

(1) Is it possible to store emails in both IMAP and local folders so I can access them offline?

(2) Is there some setting that can automatically store all emails in IMAP and local folders?

Thanks for your help!

Recent new system. Previously used Office Outlook and backed everything up to a PST file. Found I couldn't import into Thunderbird, needed to install Outlook first and import it there. Did that. So I have an Office 365 Subscription active and have Outlook active. Now I'm trying to get those messages to Thunderbird, but when I go to Import and select Import From Outlook I get a red error "No profile found" and can't continue. Is there something I need to do regarding Outlook for Thunderbird to recognize it?

On a new Thunderbird install only some of the subdirectories are being displayed. This is only happening on one email account (xx@live.com). This happened before and I think it had something to do with a filter but I can't locate the issue.

I need assistance to setup my accounts correctly in my unified inbox. A few times I have lost some messages, when sending mail, they go out from both accounts Is there a way to chat with someone, and to share screenshots. I look forward to hear.

My Thunderbird v.139.0.1 crashed. It would not run at all. I downloaded Thunderbird and it was v.139.0.2. It looks entirely different and created a new profile. I edited the Profiles.ini and replaced the new profile with the old profile. (this worked 2 months ago when I bought a new computer). Now having done the editing to get all my old emails etc, it will not bring up the old profile. How do I get my old profile and the setup from the 139.0.1 look and feel. Thanks.....

Several years ago, I switched over to the beta path of Thunderbird... In doing so, I created a new profile for the beta installation, leaving the old one behind in case I wanted to abandon beta... So I had two profile folders; I *thought* they were this:

current profile: c:\notes\Thunderbird original backup profile: c:\notes\Thunderbird.b115

Now, I've decided that there is no reason to retain the old Thunderbird profile folder, since I'm clearly committed to the beta path... however, I have discovered an anomaly... *both* the old and new profiles are periodically being updated!! Thunderbird.b115 is apparently actually my active profile, but Thunderbird was updated just a few days ago.

When I look at About Profiles, I actually see *three* profile folders listed:

Profile: Gorlash: (default: no) c:\notes\Thunderbird

Profile: Derell Licht beta: (default: no) c:\notes\Thunderbird

Profile: Thunderbird beta (default: no) c:\notes\Thunderbird.beta (note that this folder does not exist)

Profile: Thunderbird b115: (default: yes) c:\notes\Thunderbird.b115

===========================================

Is there something that I could do to consolidate all of this into just one folder? I don't even *know* what those Gorlash and Derell Licht profiles refer to... Yes, those are both usernames that I use online, in various contexts, but as far as I know, I don't use them in Thunderbird...

Q1: Can I just delete those other profiles where default is NO ?? Q2: Why is c:\notes\Thunderbird still getting periodic updates, even though those profiles are not default??

I copied my profile from old computer, put TB on new computer, copied the profile to overwrite the profile on new computer- all seemed fine but no names, no email copies, no data. I followed the instructions, no what?

I am using MacOS 10.13, Thunderbird 115.15.16ESR: my Hotmail worked until 15 May 2025 and then it would not download new emails. Screenshots are available if you want me to post them. I got an error message: "authentication failure while connecting to server outlook.office365.com". I updated Thunderbird to the latest for my OS: 115.18.0ESR. Still no new emails. I deleted my email account on Thunderbird and tried to reinstate it. Now I get an error message when trying to set up the account: "Unable to log in at server. Probably wrong configuration, username or password." I tested my password by logging into my Microsoft account with it on my browser. I can also login to my email using Firefox, but I want my Thunderbird email client to work again.

The configuration I am using is: I use my normal hotmail password in the password field. I also set up a new App Password with Microsoft and tried that without success. With the 115.18 update there is a new field: Your login. I just put my hotmail email address in here. incoming: outlook.office365.com, port 993, SSL/TLS, Oauth2 
outgoing: smtp.office365.com, port 587, STARTTLS, Oauth2 (I have also tried: smtp-mail.outlook.com)

I enabled 2-step authentication with Microsoft in my Microsoft account more than a year ago. Interestingly, I don't get a prompt on my iPhone Microsoft Authentication App when I select Done when trying to set up the hotmail account on Thunderbird.

Please help. I am desperate, and I have wasted a lot of time on this without success. Cheers

Hi everyone,

I could really use some help with Mozilla Thunderbird.

I had my official email set up in Thunderbird using a POP3 connection. Before I updated Windows and reinstalled Thunderbird, I backed everything up — all the emails and settings.

Now, after reinstalling Thunderbird, I’m trying to get my old emails and account settings back, but I just can’t seem to make it work. I tried copying my old profile folder over the new one, but nothing shows up properly.

I’m not sure if I’m doing something wrong or missing a step. Can someone please walk me through how to properly restore a POP3 email backup in Thunderbird? I really need to get my old emails back.

Thanks a lot in advance!

I installed Thunderbird and set up my Outlook account with no problem. However, every time I try to add my Gmail account I get an error message "Unable to log in at server. Probably wrong configuration, username, or password." This happens whether I try to set up the account using either Thunderbird's automatic configuration by doing a manual configuration. Can anyone help? I can log into Gmail on the web with this email address and password with no problem.

Witam. Problem występuje z kontami GOOGLE dodawane do Firefoxa. Dane wprowadzanych maili są znajdowane w baziwe konta natomiast przejście dalej. czyli opcja logowania do kona google powoduje taki komunikat jak w tytule.

I just installed Firefox on my Android phone and chose it as my default browser. I wiuld like to import all my Chrome info - bookmarks, passwords briwsing history, etc. How do i do that?

In Thunderbird 128.8.1esr (32-bit) Danish language version, on Windows 10, when a list of past notifications pops up, I cannot close them. Whether I use "Turn off" individual notifications one by one, or "Turn all off", nothing happens, except the first time I try, I can see at the bottom left of the screen that communication takes place with the server. But the notification doesn't disappear. On following attempts, nothing happens at all, until I restart Thunderbird, then again I get a long list of notifications from the past that have never been turned off.

As for individual notifications popping up at the scheduled time, I can mostly, but not always, turn them off.

The calendars are no google servers. The problem started occurring 2-3 months ago.

What to do?

I am using Thunderbird as an email server. From time to time I navigate to the 'roaming' folder and save the 'Thunderbird' folder as a backup. I could then rename the old back-up file to 'Thunderbird' and read the old emails. That has always worked in the past, but since I have had to change email platform that doesn't seem to work any more. So how can I set thunderbird to view these old emails?